东风货车260H主从动齿轮
We mainly deals in Dongfeng truck accessories (engine/axle/gearbox/cabin), especially Dana axle accessories and Cummins engine parts (4BT, 6BT, 6CT, 6L, ISBE, ISDE, ISLE,ISF2.8, ISF3.8, NTA855, KTA19,KTA38, KTA50, M11, ISM, etc.) with great advantages.
Product Descreiption
The Dongfeng Truck 260H Main Driven Gear is a critical component of the rear axle final drive assembly, engineered to deliver reliable torque transmission and durability for Dongfeng’s heavy-duty commercial vehicles. Designed for high-load applications, this gear ensures smooth power delivery from the propeller shaft to the wheels, enabling optimal performance in demanding conditions such as long-haul transportation, construction, and off-road operations. Built to Dongfeng’s rigorous manufacturing standards, the 260H main driven gear is trusted by operators worldwide for its robustness and efficiency.
Key Specifications
- Application Compatibility:
- Vehicle Models: Fits Dongfeng’s DFL, DFH, and KR/TR series heavy-duty trucks (e.g., tractors, dump trucks, cargo carriers, and special-purpose vehicles).
- Axle Type: Designed for Dongfeng’s 13T–16T single-reduction rear axles (e.g., 260H series axles).
- Gear Ratio:
- Standard Ratio: 4.44:1 (common for highway and mixed-use applications).
- Optional Ratios: 4.11:1, 4.875:1, or 5.286:1 (customizable for torque, speed, and fuel efficiency).
- Material & Construction:
- Gear Material: High-strength alloy steel (e.g., 20CrMnMo or equivalent) with case-carburizing and precision grinding for superior wear resistance.
- Tooth Profile: Hypoid gear design for quiet operation, reduced vibration, and improved load distribution.
- Surface Treatment: Shot peening and nitriding for enhanced fatigue strength and corrosion resistance.
- Dimensions:
- Outer Diameter: ~340–380 mm (13.4–15 inches) (varies by ratio).
- Module: 8–10 (industry-standard metric sizing).
- Face Width: 50–60 mm (1.97–2.36 inches).
- Weight: ~18–22 kg (40–48 lbs) (depending on configuration).
- Torque Capacity:
- Maximum Input Torque: Up to 5,000 N·m (3,688 lb·ft) (suitable for engines up to 500 hp).
- Load Rating: Designed for GAWR (Gross Axle Weight Rating) of 13,000–16,000 kg (28,600–35,200 lbs).
- Lubrication:
- Recommended Oil: API GL-5 or SAE 85W-140 gear oil.
- Oil Capacity: ~3–3.5 liters (0.79–0.92 gallons) for the differential housing.
Technical Features
- High-Efficiency Power Transmission:
- Optimized hypoid gear geometry reduces friction and energy loss, improving fuel economy by up to 3%.
- Precision tooth meshing ensures smooth operation and minimal noise (≤85 dB under full load).
- Durability & Reliability:
- Heat-treated gears resist pitting, scoring, and fatigue under high-load, high-cycle conditions.
- Corrosion-resistant coatings extend service life in harsh environments (e.g., dust, mud, or salt exposure).
- Interchangeability:
- Direct replacement for OEM part number 260H Main Driven Gear, ensuring compatibility with existing Dongfeng axle assemblies.
- Compatible with aftermarket differential carriers, bearings, and seals.
- Serviceability:
- Easy disassembly and reassembly for maintenance or repair.
- Backlash adjustment slots for precise gear alignment.
Applications
- Long-Haul Transportation:
- Tractor-trailers, refrigerated trucks, and heavy-load carriers.
- Construction & Mining:
- Dump trucks, articulated haulers, and all-terrain vehicles.
- Municipal & Utility:
- Garbage trucks, fire engines, and snowplows.
- Agricultural & Industrial:
- Heavy-duty tractors, harvesters, and mobile cranes.
